Why do we breathe? (PK1) Flashcards
1
Q
Primary function of the lungs
A
Gas exchange
2
Q
Secondary functions of the lungs
A
- Defensive
- Metabolic
- Endocrine
- Haematologic
- Immunologic
- Thermoregulatory
- Water-eliminative
- Phonation
3
Q
What is metabolic rate measured as?
A
O2 consumption (V̇O2)
4
Q
What is the basal metabolic rate value?
A
250ml/O2/min
5
Q
What is the metabolic rate value in exercise?
A
3000ml/O2/min
6
Q
What is the daily average metabolic rate value?
A
ca. 1000ml/O2/min
7
Q
Respiratory quotient equation
A
RQ = VCO2 / VO2
8
Q
What are the respiratory quotient values for only carbohydrate/only protein/only fat/mixed diet?
A
- OC = 1.0
- OP = 0.81
- OF = 0.7
- MD = 0.8
